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kernel/linux-rt-4.4.41/arch/um/include/shared/as-layout.h 1.56 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   * Licensed under the GPL
   */
  
  #ifndef __START_H__
  #define __START_H__
  
  #include <generated/asm-offsets.h>
  
  /*
   * Stolen from linux/const.h, which can't be directly included since
   * this is used in userspace code, which has no access to the kernel
   * headers.  Changed to be suitable for adding casts to the start,
   * rather than "UL" to the end.
   */
  
  /* Some constant macros are used in both assembler and
   * C code.  Therefore we cannot annotate them always with
   * 'UL' and other type specifiers unilaterally.  We
   * use the following macros to deal with this.
   */
  
  #ifdef __ASSEMBLY__
  #define _UML_AC(X, Y)	(Y)
  #else
  #define __UML_AC(X, Y)	(X(Y))
  #define _UML_AC(X, Y)	__UML_AC(X, Y)
  #endif
  
  #define STUB_START _UML_AC(, 0x100000)
  #define STUB_CODE _UML_AC((unsigned long), STUB_START)
  #define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
  #define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
  
  #ifndef __ASSEMBLY__
  
  #include <sysdep/ptrace.h>
  
  struct cpu_task {
  	int pid;
  	void *task;
  };
  
  extern struct cpu_task cpu_tasks[];
  
  extern unsigned long high_physmem;
  extern unsigned long uml_physmem;
  extern unsigned long uml_reserved;
  extern unsigned long end_vm;
  extern unsigned long start_vm;
  extern unsigned long long highmem;
  
  extern unsigned long brk_start;
  
  extern unsigned long host_task_size;
  
  extern int linux_main(int argc, char **argv);
  extern void uml_finishsetup(void);
  
  struct siginfo;
  extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
  
  #endif
  
  #endif